Home / 16,808.58-25,179.45-15,430.77

Finding the Fourth Proportional to 16,808.58, 25,179.45 and 15,430.77

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Solution

The fourth proportional to 16,808.58, 25,179.45 and 15,430.77 is: 23,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.58 : 25,179.45 = 15,430.77 : x
  2. Step 2: Convert to fraction form
    16,808.58/25,179.45 = 15,430.77/x
  3. Step 3: Cross multiply
    16,808.58x = 25,179.45 × 15,430.77
  4. Step 4: Simplify right side
    16,808.58x = 388,538,301.68
  5. Step 5: Solve for x
    x = 388,538,301.68/16,808.58
  6. Step 6: Final answer
    x = 23,115.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.